South Prairie Post Office

105 Highway 162 E, South Prairie, WA 98385

Contact Numbers

Phone: 360-897-8828
Fax: 360-897-9980
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 9:45am
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Burial Flags
  • Business Line
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

517 Church St
2.5 miles away

219 S River Ave
2.8 miles away

250 Coal Ave
3.0 miles away

Bonney Lake
18429 Veterans Memorial Dr E
3.7 miles away


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On 11/8/2016 I was at the post office and pick up my mail and And there was a woman working behind the counter . I simply said is this election almost over she was very rude not friendly did not say nothing if this is what you have for employees I'm gonna change my post office status up to Bonney Lake or sumner And this happened at 2:30 today

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